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ORNL researchers quantify the effect of increasing highway speed on fuel economy

Green Car Congress

legal light-duty vehicles from 1984 to present. No obvious pattern for specific vehicle types in terms of fuel economy percent change with speed has yet emerged (for example, results for SUVs were similar to small sedans or pickup trucks in terms of percent change in mpg). Brief summary of vehicle data. Speed increase. Data range.

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Study concludes that automakers tweak vehicle fuel economy to qualify for more favorable treatment; focus on car notches

Green Car Congress

mpg and 22.4 mpg) that lead to large changes in tax liability or the amount of a subsidy. mpg US (12.7 Under the Canadian feebate program, cars that get 43 mpg, for example, qualify for a $2,000 rebate, while cars that get 42 mpg receive a $1,500 rebate. All of this behavior is perfectly legal, they add.

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U-M study finds current CAFE standards create profit incentive for larger vehicles

Green Car Congress

Simulations of future vehicles under the footprint-based standards found that the sales-weighted average vehicle size increases by 2–32%, undermining gains in fuel economy by 1–4 mpg (0.6–1.7 The model allows BMW, Jaguar, Mercedes-Benz, Porsche, and VW to violate the standard and pay the legally required penalties. 10 11 –5.17×10

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EPA Grants California Vehicle GHG Regulations Waiver

Green Car Congress

In September 2004 the California Air Resources Board (ARB) passed regulations to reduce greenhouse gases (GHG) from new passenger vehicles starting in 2009. EPA also found that the California program meets legal requirements regarding the protectiveness of public health and welfare as well as technological feasibility.

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Massachusetts sets state GHG emissions limit for 2020 at 25% below 1990 levels, releases plan with additional measures, including Pay As You Drive auto insurance

Green Car Congress

This includes varying the rates on new car sales taxes, annual auto excise (property) taxes, and registration fees, with rates raised on low-MPG vehicles and reduced on high-MPG ones. Incentives for consumers to shift their vehicle purchases to more fuel-efficient (or lower. GHG) models. regulatory or legislative paths for this policy.

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Let My People Convert! - The A123 Challenge

Plugs and Cars

So he proposed at the California Air Resources Board ZEV workshop on Tuesday. See my 7/12 post Plug-in Hybrid Bills in Congress Scare Auto Makers ) With the addition of the A123 battery module, a Prius gets between 125 and 175 mpg. Tags: plug-in prius california air resources board a123 systems plug-in hybrid les goldman.

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First Drive: 2016 Hyundai Sonata PHEV and HEV

Green Car Congress

Combined fuel economy (mpg). In charge sustaining mode, the Sonata PHEV is expected to return 40 mpg (5.88 The Sonata PHEV is perfectly capable of handling (legal) Interstate speeds on battery pack alone; however, such operation depletes the battery relatively quickly. MPG (charge sustaining). Engine power (kW).

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